11533315222 has 32 divisors (see below), whose sum is σ = 20331440640. Its totient is φ = 4837487520.

The previous prime is 11533315207. The next prime is 11533315223. The reversal of 11533315222 is 22251333511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11533315223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178883 + ... + 1188625.

It is an arithmetic number, because the mean of its divisors is an integer number (635357520).

Almost surely, 2^11533315222 is an apocalyptic number.

11533315222 is a deficient number, since it is larger than the sum of its proper divisors (8798125418).

11533315222 is a wasteful number, since it uses less digits than its factorization.

11533315222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13908.

The product of its digits is 5400, while the sum is 28.

Adding to 11533315222 its reverse (22251333511), we get a palindrome (33784648733).

The spelling of 11533315222 in words is "eleven billion, five hundred thirty-three million, three hundred fifteen thousand, two hundred twenty-two".